Description
CZ131 is a material that has found successful applications in the automotive industry. It exhibits favorable characteristics for both machining and cold working processes, making it a reliable choice for various automotive components and manufacturing needs.
Chemical Composition
Mechanical Properties According To BS 2874 (As Per Temper M)
| Range (mm) | From | To | UTS Min (N/mm²) | PS Min | Elongation Min | Hardness Min | Hardness Max |
| Round (Dia) | 1.5 | 18 | 350 | – | 22 | – | – |
| 18 | 350 | 350 | – | 25 | – | – |
| 40 | 75 | 350 | – | 28 | – | – |
| Hex (A/F) | 3 | 18 | 350 | – | 22 | – | – |
| 18 | 40 | 350 | – | 25 | – | – |
| 40 | 70 | 350 | – | 28 | – | – |
| Square (A/F) | 3 | 18 | 350 | – | 22 | – | – |
| 18 | 40 | 350 | – | 25 | – | – |
| 40 | 60 | 350 | – | 28 | – | – |
| Rectangle (Thickness) | 3 | 18 | 350 | – | 22 | – | – |
| 18 | 40 | 350 | – | 25 | – | – |
| 40 | 50 | 350 | – | 28 | – | – |
| PHYSICAL PROPERTIES |
| Melting Point | 885° |
| Density | 8.50g/cm3 |
| Electrical Resistivity | 0.066 x 10-6Ωm |
| Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F | 115 W/m.K |
| 105 Gpa | 105 Gpa |
| FABRICATION PROPERTIES |
| Technique |
Suitability |
| Hot Formability |
Good |
| Cold Formability |
Good |
| Cold Reduction Between anneals |
50% |
| Machinability rating (free cutting brass = 100) |
75% |
| Soldering |
Excellent |
| Brazing |
Good |
| Not recommended |
Not recommended |
| Gas – Shielded are welding |
Resistance welding : Spot and Seam |
| Resistance welding : Spot and Seam |
Not recommended |
| Butt Welding |
Fair |
